Two of Australia's most infamous Islamic State recruits, Khaled Sharrouf and Mohamed Elomar, went on a shooting party with construction industry boss George Alex just weeks before they left the country to fight in Syria and Iraq.

The world's top scientists give their clearest warning yet of the severe and irreversible impacts of climate change. In a report, the United Nations climate change panel warns greenhouse gas levels are at their highest in 800,000 years.

A report into the death of a patient allegedly killed by another patient with a guitar at a NSW psychiatric ward reveals the pair were not checked for hours, with investigators told of an "entrenched culture" where staff sign observation sheets without seeing patients.

Most parents have given their children paracetamol at one time or another, yet paracetamol overdose is the leading cause of liver failure in children. So how safe is this commonly used medication and when should we give it to children?